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// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023.
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Addr: cant send val, rcpt revert");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Addr: low-level call value fail");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Addr: insufficient balance call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Addr: low-level static call fail");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Addr: static call non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Addr: low-level del call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Addr: delegate call non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_setOwner(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is 0x address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
abstract contract Functional {
function toString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
bool private _reentryKey = false;
modifier reentryLock {
require(!_reentryKey, "attempt reenter locked function");
_reentryKey = true;
_;
_reentryKey = false;
}
}
contract ERC721 {
function ownerOf(uint256 tokenId) external view returns (address owner){}
function proxyTransfer(address from, address to, uint256 tokenId) external{}
function proxyMint(address _to, uint256 _qty) external {}
}
contract ERC20 {
function proxyMint(address reciever, uint256 amount) external {}
function proxyTransfer(address from, address to, uint256 amount) external {}
function balanceOf(address account) public view returns (uint256) {}
}
contract XaraStore is Ownable, Functional {
ERC721 LAND;
ERC721 CITY;
ERC721 VR;
ERC20 XARACOIN;
address public payoutWallet;
uint256 public pricePerCity;
uint256 public pricePerLand;
uint256 public pricePerVR;
uint256 public pricePerPair;
uint256 public XpricePerCity;
uint256 public XpricePerLand;
uint256 public XpricePerVR;
uint256 public XpricePerPair;
bool public landActive;
bool public cityActive;
bool public vrActive;
constructor () {
// temporarily all prices set to .02eth.
pricePerCity = 250 * (10**15);
pricePerLand = 200 * (10**15);
pricePerVR = 200 * (10**15);
pricePerPair = 400 * (10**15);
XpricePerCity = 30000000 * (10**18);
XpricePerLand = 30000000 * (10**18);
XpricePerVR = 30000000 * (10**18);
XpricePerPair = 30000000 * (10**18);
}
// Standard Withdraw function for the owner to pull the contract
function withdraw() external onlyOwner {
uint256 sendAmount = address(this).balance;
(bool success, ) = payoutWallet.call{value: sendAmount}("");
require(success, "Transaction Unsuccessful");
XARACOIN.proxyTransfer(address(this), payoutWallet, XARACOIN.balanceOf(address(this)));
}
// MINT functionality
// These will only work if minting is allowed by the smart contract
function mintLandwEth( uint256 qty ) external payable reentryLock {
require(landActive, "mint not open");
require(msg.value == (pricePerLand * qty), "wrong payment");
LAND.proxyMint(_msgSender(), qty);
}
function mintCitywEth( uint256 qty ) external payable reentryLock {
require(cityActive, "mint not open");
require(msg.value == (pricePerCity * qty), "wrong payment");
CITY.proxyMint(_msgSender(), qty);
}
function mintPairwEth( uint256 qty ) external payable reentryLock {
require(landActive, "mint not open");
require(cityActive, "mint not open");
require(msg.value == (pricePerPair * qty), "wrong payment");
LAND.proxyMint(_msgSender(), qty);
CITY.proxyMint(_msgSender(), qty);
}
function mintVRwEth( uint256 qty ) external payable reentryLock {
require(vrActive, "mint not open");
require(msg.value == (pricePerVR * qty), "wrong payment");
// just in case
VR.proxyMint(_msgSender(), qty);
}
// mint with XARA
function mintLandwXARA( uint256 qty ) external reentryLock {
require(landActive, "mint not open");
uint256 payment = XpricePerLand * qty;
XARACOIN.proxyTransfer(_msgSender(), address(this), payment);
LAND.proxyMint(_msgSender(), qty);
}
function mintCitywXARA( uint256 qty ) external reentryLock {
require(cityActive, "mint not open");
uint256 payment = XpricePerCity * qty;
XARACOIN.proxyTransfer(_msgSender(), address(this), payment);
CITY.proxyMint(_msgSender(), qty);
}
function mintPairwXARA( uint256 qty ) external reentryLock {
require(landActive, "mint not open");
require(cityActive, "mint not open");
uint256 payment = XpricePerPair * qty;
XARACOIN.proxyTransfer(_msgSender(), address(this), payment);
LAND.proxyMint(_msgSender(), qty);
CITY.proxyMint(_msgSender(), qty);
}
function mintVRwXARA( uint256 qty ) external reentryLock {
// just in case
require(vrActive, "mint not open");
uint256 payment = XpricePerVR * qty;
XARACOIN.proxyTransfer(_msgSender(), address(this), payment);
VR.proxyMint(_msgSender(), qty);
}
// Setters to activate mints
function activateLandSales() external onlyOwner { landActive=true; }
function activateCitySales() external onlyOwner { cityActive=true; }
function activateVRSales() external onlyOwner { vrActive=true; }
function deactivateLandSales() external onlyOwner { landActive=false; }
function deactivateCitySales() external onlyOwner { cityActive=false; }
function deactivateVRSales() external onlyOwner { vrActive=false; }
function setPayoutWallet(address newWallet) external onlyOwner {
payoutWallet = newWallet;
}
// Setters for connected smart contracts
function setLand(address contractAddress) external onlyOwner {
LAND = ERC721(contractAddress);
}
function setCity(address contractAddress) external onlyOwner {
CITY = ERC721(contractAddress);
}
function setVR(address contractAddress) external onlyOwner {
VR = ERC721(contractAddress);
}
function setCoinContract(address contractAddress) external onlyOwner {
XARACOIN = ERC20(contractAddress);
}
// Price setting functions
function setCityPrice(uint256 newPrice) external onlyOwner {
pricePerCity = newPrice;
}
function setLandPrice(uint256 newPrice) external onlyOwner {
pricePerLand = newPrice;
}
function setVRPrice(uint256 newPrice) external onlyOwner {
pricePerVR = newPrice;
}
function setPairPrice(uint256 newPrice) external onlyOwner {
pricePerPair = newPrice;
}
function setCityPriceXARA(uint256 newPrice) external onlyOwner {
XpricePerCity = newPrice;
}
function setLandPriceXARA(uint256 newPrice) external onlyOwner {
XpricePerLand = newPrice;
}
function setVRPriceXARA(uint256 newPrice) external onlyOwner {
XpricePerVR = newPrice;
}
function setPairPriceXARA(uint256 newPrice) external onlyOwner {
XpricePerPair = newPrice;
}
} |